wifi: mac80211: remove unneeded scratch_len subtraction

We're always using "scratch + len - pos", so we don't need
to subtract here to calculate the remaining length. Remove
the unnecessary subtraction.

Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Link: https://msgid.link/20240228094902.44e07cfa9e63.I7a9758fb9bc6b726aac49804f2f05cd521bc4128@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/parse.c b/net/mac80211/parse.c
index 804323858977e715c6092df54d7ac69acf837e34..73e52504ed97c826e11ecb2960f7a99b42307359 100644 (file)
--- a/net/mac80211/parse.c
+++ b/net/mac80211/parse.c
@@ -862,7 +862,6 @@ ieee802_11_parse_elems_full(struct ieee80211_elems_parse_params *params)
                                              elems, params->bss,
                                              nontransmitted_profile);
        elems->scratch_pos += nontransmitted_profile_len;
-       elems->scratch_len -= nontransmitted_profile_len;
        non_inherit = cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
                                             nontransmitted_profile,
                                             nontransmitted_profile_len);